Protist and bacterial diseases

• What disease is caused by a protist?


  Malaria
• Where does part of the malaria life cycle take place?


  Inside a mosquito
• How do mosquitoes pick up the malarial protist?


  When they feed on infected animals
• How do mosquitoes spread the malarial protist?


  By sucking blood from another animal
• What happens to many mosquitoes that pick up the malarial protist?


  Many are killed, but some survive
• What does malaria cause in infected individuals?


  Periodic episodes of fever
• Can malaria be treated?


  Yes, it can be treated
• How can people protect themselves from malaria?


  Using insecticides and mosquito nets
• What type of bacteria causes Salmonella?


  Salmonella is a type of bacteria
• What are common symptoms of Salmonella infection?


  Pain, stomach cramps, vomiting, and diarrhoea
• What causes the symptoms of Salmonella infection?


  The toxins produced by the bacteria
• How can one get Salmonella food poisoning?


  By eating contaminated food
• What is a common source of Salmonella contamination?


  Eating chicken that caught the disease while alive
• What type of disease is Gonorrhea?


  It is a sexually transmitted disease (STD)
• How is Gonorrhea transmitted?


  By sexual contact
• What causes Gonorrhea?


  It is caused by bacteria
• What symptom is associated with Gonorrhea during urination?


  Pain when urinating
• What is another symptom of Gonorrhea?


  A thick yellow or green discharge
• What was the original treatment for Gonorrhea?

  Penicillin
• Why has treating Gonorrhea become trickier?


  Because strains of the bacteria have become resistant to penicillin
• How can the spread of Gonorrhea be prevented?


  By using antibiotics and barrier methods of contraception
• What table can you draw to summarize the diseases discussed?

  • Columns for:
  • Disease
  • Type of organism it’s caused by
  • Symptoms
  • How it’s spread
• What factors can affect the spread of a disease?

  • The pathogen itself
  • The environment
  • Human behavior